If the potential energy diagram, when shown as a function of the ...

[folubunmi]

If the potential energy diagram, when shown as a function of the separation of the atoms in the molecule, has a positive slope, then the force between the atoms
 
  A)
 
  has the highest possible value.
  B)
 
  is attractive.
  C)
 
  has the lowest possible value.
  D)
 
  is repulsive.
  E)
 
  is none of the above.

Question 2

State the second postulate of the special theory of relativity (constancy of the speed of light).
 
  What will be an ideal response?

[Jossy]

Answer to Question 1

B

Answer to Question 2

Light propagates through empty space with a definite speed c independent of the speed of the source or observer.

[folubunmi]

Thanks for the timely response, appreciate it

[parshano]

Wow, this really help